Data Sheet 7 Rev. 1.1, 2010-01-13
TLE42744
General Product Characteristics
4.2 Functional Range
Note: Within the functional or operating range, the IC operates as described in the circuit description. The electrical
characteristics are specified within the conditions given in the Electrical Characteristics table.
4.3 Thermal Resistance
Note: This thermal data was generated in accordance with JEDEC JESD51 standards. For more information, go
to www.jedec.org.
Pos. Parameter Symbol Limit Values Unit Remarks
Min. Max.
4.2.1 Input voltage VI5.5 40 V TLE42744DV50,
TLE42744GV50,
TLE42744EV50
4.2.2 Input voltage VI4.7 40 V TLE42744GV33,
TLE42744DV33,
TLE42744GSV33
4.2.3 Output Capacitor’s
Requirements for Stability
CQ22 – µF 1)
1) the minimum output capacitance requirement is applicable for a worst case capacitance tolerance of 30%
4.2.4 ESR(CQ)–3Ω2)
2) relevant ESR value at f=10kHz
4.2.5 Junction temperature Tj-40 150 °C–
Pos. Parameter Symbol Limit Values Unit Conditions
Min. Typ. Max.
TLE42744DV50, TLE42744DV33 (PG-TO252-3)
4.3.1 Junction to Case1) RthJC – 3.6 – K/W measured to heat
slug
4.3.2 Junction to Ambient1) RthJA –27–K/W
2)
4.3.3 – 115 – K/W footprint only3)
4.3.4 – 52 – K/W 300 mm² heatsink
area3)
4.3.5 – 40 – K/W 600 mm² heatsink
area3)
TLE42744GV50, TLE42744GV33 (PG-TO263-3)
4.3.6 Junction to Case1) RthJC – 3.6 – K/W measured to heat
slug
4.3.7 Junction to Ambient1) RthJA –22– 2)
4.3.8 – 74 – K/W footprint only3)
4.3.9 – 42 – K/W 300 mm² heatsink
area3)
4.3.10 – 34 – K/W 600 mm² heatsink
area3)